| Abbreviation | Definition |
|---|---|
| ACB | Association canadienne des barrages |
| ACB | Canadian Dam Association |
| ACBD | Association Canadienne des Bibliothèques de Droit |
| ACBD | Association Canadienne des Bibliothques de Droit |
| ACBD | Canadian Association of Law Libraries |
| ACBM | Association Canadienne des Bibliothèques, Archives et Centres de Documentation Musicaux |
| ACBM | Association Canadienne des Bibliothques, Archives et Centres de Documentation Musicaux |
| ACBM | Canadian Association of Music Libraries, Archives and Documentation Centres |
| ACBS | Antique and Classic Boat Society |
| ACC | Academia Chilena de Ciencias |
| ACC | Academia de Ciencias de Cuba |
| ACC | Academy of Sciences of Cuba |
| ACC | Association Canadienne de Communication |
| ACC | Canadian Communication Association |
| ACC | Chilean Academy of Sciences |
| ACC&CE | Association of Consulting Chemists and Chemical Engineers |
| ACCCS | Alberni-Clayoquot Continuing Care Society |
| ACCP | Asociacin Chilena de Ciencia Poltica |
| ACCP | Asociación Chilena de Ciencia Política |
| ACCP | Australian College of Clinical Psychologists |